Comparison SanDisk Ultra microSD 533x UHS-I 64 GB vs SanDisk Ultra microSD 320x UHS-I 64 GB

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	SanDisk Ultra microSD 533x UHS-I 64 GB	SanDisk Ultra microSD 320x UHS-I 64 GB
	from $34.62 Outdated Product	from $8.68 up to $10.50 Compare prices 2
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TOP sellers	Find prices on Amazon.com Find prices on eBay.com	Newegg.com $9.00 Buy in shop Newegg.com $11.00 Buy in shop
Type	microSD	microSD
Storage	64 GB	64 GB
Specs
Speed class	10	10
UHS class	UHS-I Class 1 (U1)	UHS-I Class 1 (U1)
Video recording class	V10	V10
Speed value	533 x	320 x
Read speed	48 MB/s	48 MB/s
Write speed	10 MB/s	10 MB/s
Adapter included	/depending on configuration/	/depending on configuration/
Added to E-Catalog	may 2018	may 2017

Speed value

The coefficient describing the maximum speed of the card in read mode. In this case, 150 KB/s is taken as a unit; thus, for example, the speed value of 533x corresponds to 150*533=79,950 KB/s, i.e. about 80 MB/s.

In general, this parameter is quite specific; in practice, it is easier to focus on the directly declared reading speed (see below). However, sometimes it is not specified - in such cases, the speed value will be most useful.